. —Have you finished your position?
—Yes, I it in twenty minutes.
A. have finished
B. finished
C. will have finished
D. had finished
网友回答
A. have finished
(答案→)B. finished
C. will have finished
D. had finished
解析：考查时态，句意：你完成你的作文了吗？——是的，20分钟我就完成了。可知下文强调的的是过去发生的动作，故用过去时态，选B。